{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\hline\hline
                    &\multicolumn{3}{c}{Population density $\geq 25/km^2$}         &\multicolumn{3}{c}{Population density $<25/km^2$}             \\\cmidrule(lr){2-4}\cmidrule(lr){5-7}
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
                    &\multicolumn{1}{c}{\shortstack{Influence}}&\multicolumn{1}{c}{Land}&\multicolumn{1}{c}{Disputes}&\multicolumn{1}{c}{Influence}&\multicolumn{1}{c}{Land}&\multicolumn{1}{c}{Disputes}\\
\hline
Land quality (2002) &        0.18        &        0.08\sym{**}&        0.08\sym{*} &        0.01        &       -0.01        &        0.02        \\
                    &      (0.11)        &      (0.03)        &      (0.03)        &      (0.11)        &      (0.04)        &      (0.03)        \\\hline
Additional controls &         Yes        &         Yes        &         Yes        &         Yes        &         Yes        &         Yes        \\
Country FE          &         Yes        &         Yes        &         Yes        &         Yes        &         Yes        &         Yes        \\
\hline
Individuals (N)     &        8399        &        9228        &        9368        &        2025        &        1979        &        1971        \\
\(R^{2}\)           &        0.14        &        0.17        &        0.19        &        0.10        &        0.16        &        0.14        \\
Adj. \(R^{2}\)      &        0.14        &        0.17        &        0.19        &        0.09        &        0.15        &        0.14        \\
\hline\hline
\end{tabular}
}
